Ãâó : http://ussc.or.kr/board/download.php?db=notice&id=1125&path=./down/&file=%EA%B3%B5%EA%B3%B5%EC%8A%A4%ED%8F%AC%EC%B8%A0%ED%81%B4%EB%9F%BD%20%EC%84%A4%EB%AA%85.pptx&name=%EA%B3%B5%EA%B3%B5%EC%8A%A4%ED%8F%AC%EC%B8%A0%ED%81%B4%EB%9F%BD%20%EC%84%A4%EB%AA%85.pptx